1366 - Incorrect integer value: '' for column `shop_db3`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '9188a87b8f4170cb60afa773a958bf3e', '18.117.73.214', '1713531424', '1713531424', '/shop_content.php?coID=8&XTCsid=865ed233708c13d8294a9cd1f6a7eff1')

[XT SQL Error]